HEF4794BT,118

Overview

The HEF4794BT,118 is an automotive-grade 8-bit shift register manufactured by Nexperia. It belongs to the HEF4000B CMOS logic series and features a serial-in, parallel-out architecture with three-state outputs. The device operates within a supply voltage range of 3 V to 15 V and supports data transfer via clock signals. It is designed for robust performance in harsh environments, meeting AEC-Q100 qualification standards. The component is housed in a SOIC-16 surface-mount package (SOT109), ensuring compatibility with standard automated assembly processes while providing reliable signal integrity for digital counting and storage applications.

Feature Summary

• Automotive-grade reliability compliant with AEC-Q100 standards
• CMOS technology enabling low power consumption and high noise immunity
• Three-state outputs facilitating direct bus line connections
• Serial-in, parallel-out configuration for efficient data handling

Applications

• Automotive electronic control units requiring certified logic components
• Digital display systems utilizing parallel output interfaces
• Data acquisition modules needing serial-to-parallel conversion
• Industrial automation controllers managing sequential logic operations

Procurement Notes

Verify that the specific suffix ',118' matches the required tape-and-reel packaging format intended for your manufacturing line. Confirm that the AEC-Q100 qualification aligns with your vehicle's specific reliability requirements. Ensure that the SOIC-16 footprint corresponds precisely with your PCB layout guidelines. Cross-reference the datasheet electrical characteristics against your system's voltage and current constraints before finalizing procurement orders.

Selection Notes

Select this component when an 8-bit shift register with automotive certification is mandatory. The HEF4794BT,118 is suitable for designs requiring three-state outputs to share common data buses efficiently. Consider this part if the application demands operation across a wide temperature range typical of automotive environments. It serves as a direct replacement for non-automotive variants where AEC-Q100 compliance is necessary for system validation.

Part Context

This component is part of Nexperia's extensive portfolio of HEF4000B series CMOS logic devices. These parts are engineered to provide backward compatibility with older TTL logic families while offering improved power efficiency. The HEF4794BT,118 specifically addresses the need for reliable digital storage and shifting functions in modern automotive electronics, bridging legacy design requirements with contemporary quality standards.

Replacement Considerations

The HEF4794BT-Q100J is a verified substitute part number within the same product family. Both components share identical logical functionality and pinout configurations. Verify that the specific ordering suffixes match your preferred packaging type when swapping between these identifiers.